[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$feXiE3kUgBWRRnnzgU5vT1tL8xR5zLWIm4PDNW7z9vWQ":3},{"slug":4,"manufacturer":5,"model":6,"category":7,"isCurated":8,"imageUrl":9,"attribution":10,"specifications":11,"descriptionEn":20,"seoTitleEn":21,"seoDescriptionEn":22},"supermarine-s-4","Supermarine","S.4","Civilian",false,"https:\u002F\u002Fkmghuekgzyfrnbanbsra.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Faircraft-images\u002FSupermarine_S_4_8ad0bee7.webp?","Wikimedia Commons",{"roleText":12,"nationalOrigin":13,"crew":14,"engineCount":14,"firstFlightYear":15,"lengthM":16,"wingspanM":17,"maxSpeedKmh":18,"rangeKm":19},"Racing floatplane","United Kingdom",1,1925,7.9,9.3,384.6,null,"The Supermarine S.4, which first flew in 1925, is a British racing floatplane emphasizing speed competition. Measuring 7.9 meters long with a 9.3-meter wingspan and single engine, this aircraft achieves 384.6 km\u002Fh. The S designation reflects Supermarine's racing aircraft series, combining innovative design with powerful engines. The S.4's speed and float configuration reflect interwar racing competition traditions when manufacturers competed for prestige and air-speed records. Its advanced aerodynamic refinement influenced subsequent aircraft design.","Supermarine S.4 — Racing floatplane","British racing floatplane (1925) with 384.6 km\u002Fh and 7.9m fuselage for record attempts."]